Title:
Locking and sealing device for container openings
United States Patent 1830949


Inventors:
Lake, Harry E.
Application Number:
US37076229A
Publication Date:
11/10/1931
Filing Date:
06/14/1929
Assignee:
PREFERRED UTILITIES MFG CORP
Primary Class:
Other Classes:
33/728, 220/315, 292/37
International Classes:
B65D90/62; F16J13/02
View Patent Images: